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It's GDEMU time

Blogs & guides and tales of woo by forum members.
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rubber_jonnie
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It's GDEMU time

Post by rubber_jonnie »

Well, Christmas day and what more could I want than a GDEMU for my Dreamcast 😁

Time to get assembling!

PXL_20231225_101054381.jpg

More on this later 😁
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Collector of many retro things!
800XL and 65XE both with Ultimate1MB,VBXL/XE & PokeyMax, SIDE3, SDrive Max, 2x 1010 cassette, 2x 1050 one with Happy mod, 3x 2600 Jr, 7800 and Lynx II
Approx 20 STs, including a 520 STM, 520 STFMs, 3x Mega ST, MSTE & 2x 32 Mhz boosted STEs
Plus the rest, totalling around 50 machines including a QL, 3x BBC Model B, Electron, Spectrums, ZX81 etc...
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PhilC
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Re: It's GDEMU time

Post by PhilC »

Great little upgrade that @rubber_jonnie and great that there is software for use on the Mac as well (works better than the pc version IMO)
If it ain't broke, test it to Destruction.
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rubber_jonnie
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Re: It's GDEMU time

Post by rubber_jonnie »

PhilC wrote: 25 Dec 2023 10:19 Great little upgrade that @rubber_jonnie and great that there is software for use on the Mac as well (works better than the pc version IMO)
I just downloaded the Mac version 😁

Will play with it this afternoon and see what's what.

Great that I have an SD card solution for both the Saturn and the Dreamcast now.
Collector of many retro things!
800XL and 65XE both with Ultimate1MB,VBXL/XE & PokeyMax, SIDE3, SDrive Max, 2x 1010 cassette, 2x 1050 one with Happy mod, 3x 2600 Jr, 7800 and Lynx II
Approx 20 STs, including a 520 STM, 520 STFMs, 3x Mega ST, MSTE & 2x 32 Mhz boosted STEs
Plus the rest, totalling around 50 machines including a QL, 3x BBC Model B, Electron, Spectrums, ZX81 etc...
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rubber_jonnie
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Re: It's GDEMU time

Post by rubber_jonnie »

All installed:

PXL_20231225_102457892.jpg
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Collector of many retro things!
800XL and 65XE both with Ultimate1MB,VBXL/XE & PokeyMax, SIDE3, SDrive Max, 2x 1010 cassette, 2x 1050 one with Happy mod, 3x 2600 Jr, 7800 and Lynx II
Approx 20 STs, including a 520 STM, 520 STFMs, 3x Mega ST, MSTE & 2x 32 Mhz boosted STEs
Plus the rest, totalling around 50 machines including a QL, 3x BBC Model B, Electron, Spectrums, ZX81 etc...
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philbo34
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Re: It's GDEMU time

Post by philbo34 »

Great job .
I was advised to put some resistors across the 12v line to stop the psu getting extra toasty. I also used a ps2 fan .
I think it was 3x 470 ohms from memory
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rubber_jonnie
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Re: It's GDEMU time

Post by rubber_jonnie »

philbo34 wrote: 25 Dec 2023 13:14 Great job .
I was advised to put some resistors across the 12v line to stop the psu getting extra toasty. I also used a ps2 fan .
I think it was 3x 470 ohms from memory
Yes, I read that too and will look at doing so before I close it up.
Collector of many retro things!
800XL and 65XE both with Ultimate1MB,VBXL/XE & PokeyMax, SIDE3, SDrive Max, 2x 1010 cassette, 2x 1050 one with Happy mod, 3x 2600 Jr, 7800 and Lynx II
Approx 20 STs, including a 520 STM, 520 STFMs, 3x Mega ST, MSTE & 2x 32 Mhz boosted STEs
Plus the rest, totalling around 50 machines including a QL, 3x BBC Model B, Electron, Spectrums, ZX81 etc...
Top
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PhilC
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Re: It's GDEMU time

Post by PhilC »

I think I’ll actually replace my PSU for one similar to the one I put in my Saturn, should reduce overall temperature as well as main’s interference.
If it ain't broke, test it to Destruction.
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rubber_jonnie
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Location: Essex

Re: It's GDEMU time

Post by rubber_jonnie »

PhilC wrote: 25 Dec 2023 13:53 I think I’ll actually replace my PSU for one similar to the one I put in my Saturn, should reduce overall temperature as well as main’s interference.
Definitely worth considering.
Collector of many retro things!
800XL and 65XE both with Ultimate1MB,VBXL/XE & PokeyMax, SIDE3, SDrive Max, 2x 1010 cassette, 2x 1050 one with Happy mod, 3x 2600 Jr, 7800 and Lynx II
Approx 20 STs, including a 520 STM, 520 STFMs, 3x Mega ST, MSTE & 2x 32 Mhz boosted STEs
Plus the rest, totalling around 50 machines including a QL, 3x BBC Model B, Electron, Spectrums, ZX81 etc...
Top
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alexh
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Re: It's GDEMU time

Post by alexh »

Ingenious. Does it work?
Senior Principal ASIC Engineer - SystemVerilog, VHDL
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ST,STf,STfm,STe,MegaST,MegaSTe,Falcon060
A500+,A600,A4000/060,CD32,CDTV
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rubber_jonnie
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Re: It's GDEMU time

Post by rubber_jonnie »

alexh wrote: 25 Dec 2023 14:01 Ingenious. Does it work?
It certainly does, photos later.
Collector of many retro things!
800XL and 65XE both with Ultimate1MB,VBXL/XE & PokeyMax, SIDE3, SDrive Max, 2x 1010 cassette, 2x 1050 one with Happy mod, 3x 2600 Jr, 7800 and Lynx II
Approx 20 STs, including a 520 STM, 520 STFMs, 3x Mega ST, MSTE & 2x 32 Mhz boosted STEs
Plus the rest, totalling around 50 machines including a QL, 3x BBC Model B, Electron, Spectrums, ZX81 etc...
Top

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